Update stack versions / helm versions.

[naemono]

This PR updates the operator and stack/Helm snapshot versions in the main branch:

3.3.0-SNAPSHOT ➡️ 3.4.0-SNAPSHOT
0.18.0-SNAPSHOT ➡️ 0.19.0-SNAPSHOT
9.3.0-SNAPSHOT ➡️ 9.4.0-SNAPSHOT (except for Enterprise Search, which is still on 8.x)

[prodsecmachine]

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[Copilot]

Pull request overview

This PR updates version numbers across the codebase in preparation for the next snapshot release cycle:

• Operator version: 3.3.0-SNAPSHOT → 3.4.0-SNAPSHOT
• Helm chart version: 0.18.0-SNAPSHOT → 0.19.0-SNAPSHOT
• Stack component version: 9.3.0-SNAPSHOT → 9.4.0-SNAPSHOT

Reviewed changes

Copilot reviewed 67 out of 67 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
VERSION	Updates the main version file to 3.4.0-SNAPSHOT
test/e2e/agent/recipes_test.go	Updates version check for Kibana bug workaround to 9.4.0-SNAPSHOT
hack/upgrade-test-harness/testdata/upcoming/stack.yaml	Updates all stack component versions in test harness configuration
hack/upgrade-test-harness/conf.yaml	Updates upcoming test parameters to operator 3.4.0-SNAPSHOT and stack 9.4.0-SNAPSHOT
hack/operatorhub/config.yaml	Updates OperatorHub configuration with new operator and stack versions
deploy/eck-stack/Chart.yaml	Updates main eck-stack chart and all dependency versions to 0.19.0-SNAPSHOT
deploy/eck-stack/templates/tests/*.yaml	Updates expected stack versions in all integration tests
deploy/eck-stack/examples/*.yaml	Updates example configurations with new stack versions
deploy/eck-stack/charts/*/Chart.yaml	Updates all individual chart versions to 0.19.0-SNAPSHOT
deploy/eck-stack/charts/*/values.yaml	Updates default stack component versions to 9.4.0-SNAPSHOT
deploy/eck-stack/charts//templates/tests/.yaml	Updates expected versions in helm chart tests
deploy/eck-stack/charts//examples/.yaml	Updates example configurations for individual charts
deploy/eck-operator/Chart.yaml	Updates operator chart version and appVersion to 3.4.0-SNAPSHOT
deploy/eck-operator/charts/eck-operator-crds/Chart.yaml	Updates CRDs chart version to 3.4.0-SNAPSHOT
deploy/eck-operator/templates/tests/statefulset_test.yaml	Updates expected operator version labels in tests

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[pebrc]

The v3.3.0 label should only be applied to changes that go into the release. This will stay in main until 3.4